Axonal trajectories between mouse somatosensory thalamus and cortex

An in vitro brain slice preparation has been used to label fibers connecting the somatosensory thalamus and cortex of the mouse. In 400–800‐μm brain slices, the pathway between the ventrobasal complex and somatosensory cortex was labeled under direct vision with horseradish peroxidase crystals (HRP), HRP‐Nonidet P‐40 (NP40) detergent chips, or a solution of HRP/dimethylsulfoxide.

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